TestGetMapFromFormData() — gin Function Reference

Source Code

context_test.go lines 3540–3669

func TestGetMapFromFormData(t *testing.T) {
	testCases := []struct {
		name     string
		data     map[string][]string
		key      string
		expected map[string]string
		found    bool
	}{
		{
			name: "Basic bracket notation",
			data: map[string][]string{
				"ids[a]": {"hi"},
				"ids[b]": {"3.14"},
			},
			key: "ids",
			expected: map[string]string{
				"a": "hi",
				"b": "3.14",
			},
			found: true,
		},
		{
			name: "Mixed data with bracket notation",
			data: map[string][]string{
				"ids[a]":     {"hi"},
				"ids[b]":     {"3.14"},
				"names[a]":   {"mike"},
				"names[b]":   {"maria"},
				"other[key]": {"value"},
				"simple":     {"data"},
			},
			key: "ids",
			expected: map[string]string{
				"a": "hi",
				"b": "3.14",
			},
			found: true,
		},
		{
			name: "Names key",
			data: map[string][]string{
				"ids[a]":     {"hi"},
				"ids[b]":     {"3.14"},
				"names[a]":   {"mike"},
				"names[b]":   {"maria"},
				"other[key]": {"value"},
			},
			key: "names",
			expected: map[string]string{
				"a": "mike",
				"b": "maria",
			},
			found: true,
		},
		{
			name: "Key not found",
			data: map[string][]string{
				"ids[a]":   {"hi"},
				"names[b]": {"maria"},
			},
			key:      "notfound",
			expected: map[string]string{},
			found:    false,
		},
		{
			name:     "Empty data",
			data:     map[string][]string{},
			key:      "ids",
			expected: map[string]string{},
			found:    false,
		},
		{
			name: "Malformed bracket notation",
			data: map[string][]string{
				"ids[a": {"hi"},    // Missing closing bracket
				"ids]b": {"3.14"},  // Missing opening bracket
				"idsab": {"value"}, // No brackets
			},
			key:      "ids",
			expected: map[string]string{},
			found:    false,
		},
		{
			name: "Nested bracket notation",
			data: map[string][]string{
				"ids[a][b]": {"nested"},
				"ids[c]":    {"simple"},
			},
			key: "ids",
			expected: map[string]string{
				"a": "nested",
				"c": "simple",
			},
			found: true,
		},
		{
			name: "Simple key without brackets",
			data: map[string][]string{
				"simple": {"data"},
				"ids[a]": {"hi"},
			},
			key:      "simple",
			expected: map[string]string{},
			found:    false,
		},
		{
			name: "Mixed simple and bracket keys",
			data: map[string][]string{
				"simple": {"data"},
				"ids[a]": {"hi"},
				"ids[b]": {"3.14"},
				"other":  {"value"},
			},
			key: "ids",
			expected: map[string]string{
				"a": "hi",
				"b": "3.14",
			},
			found: true,
		},
	}

	for _, tc := range testCases {
		t.Run(tc.name, func(t *testing.T) {
			result, found := getMapFromFormData(tc.data, tc.key)
			assert.Equal(t, tc.expected, result, "result mismatch")
			assert.Equal(t, tc.found, found, "found mismatch")
		})
	}
}